diff --git a/novelwriter/constants.py b/novelwriter/constants.py
index ce43284c..e15b6733 100644
--- a/novelwriter/constants.py
+++ b/novelwriter/constants.py
@@ -75,16 +75,22 @@ class nwHeaders:
 
 class nwFiles:
 
+    # Config Files
     CONF_FILE   = "novelwriter.conf"
+    RECENT_FILE = "recentProjects.json"
+
+    # Project Root Files
     PROJ_FILE   = "nwProject.nwx"
-    PROJ_DICT   = "wordlist.txt"
+    PROJ_BACKUP = "nwProject.bak"
     PROJ_LOCK   = "nwProject.lock"
     TOC_TXT     = "ToC.txt"
-    SESS_STATS  = "sessionStats.log"
+
+    # Project Meta Files
+    BUILDS_FILE = "builds.json"
     INDEX_FILE  = "tagsIndex.json"
     OPTS_FILE   = "guiOptions.json"
-    RECENT_FILE = "recentProjects.json"
-    BUILDS_FILE = "builds.json"
+    PROJ_DICT   = "wordlist.txt"
+    SESS_STATS  = "sessionStats.log"
 
 # END Class nwFiles
 
diff --git a/novelwriter/core/storage.py b/novelwriter/core/storage.py
index 8574b3df..5fed4fce 100644
--- a/novelwriter/core/storage.py
+++ b/novelwriter/core/storage.py
@@ -248,11 +248,13 @@ class NWStorage:
         baseMeta = basePath / "meta"
         baseCont = basePath / "content"
         files = [
-            (basePath / nwFiles.PROJ_FILE,  nwFiles.PROJ_FILE),
-            (baseMeta / nwFiles.OPTS_FILE,  f"meta/{nwFiles.OPTS_FILE}"),
-            (baseMeta / nwFiles.SESS_STATS, f"meta/{nwFiles.SESS_STATS}"),
-            (baseMeta / nwFiles.INDEX_FILE, f"meta/{nwFiles.INDEX_FILE}"),
-            (baseMeta / nwFiles.PROJ_DICT,  f"meta/{nwFiles.PROJ_DICT}"),
+            (basePath / nwFiles.PROJ_FILE,   nwFiles.PROJ_FILE),
+            (basePath / nwFiles.PROJ_BACKUP, nwFiles.PROJ_BACKUP),
+            (baseMeta / nwFiles.BUILDS_FILE, f"meta/{nwFiles.BUILDS_FILE}"),
+            (baseMeta / nwFiles.INDEX_FILE,  f"meta/{nwFiles.INDEX_FILE}"),
+            (baseMeta / nwFiles.OPTS_FILE,   f"meta/{nwFiles.OPTS_FILE}"),
+            (baseMeta / nwFiles.PROJ_DICT,   f"meta/{nwFiles.PROJ_DICT}"),
+            (baseMeta / nwFiles.SESS_STATS,  f"meta/{nwFiles.SESS_STATS}"),
         ]
         for contItem in baseCont.iterdir():
             name = contItem.name